[exim.git] / src / src / osfunctions.h

/* $Cambridge: exim/src/src/osfunctions.h,v 1.5 2009/11/16 19:50:37 nm4 Exp $ */

/*************************************************
*     Exim - an Internet mail transport agent    *
*************************************************/

/* Copyright (c) University of Cambridge 1995 - 2009 */
/* See the file NOTICE for conditions of use and distribution. */

/* Prototypes for os-specific functions. For utilities, we don't need the one
that uses a type that isn't defined for them. */

#ifndef COMPILE_UTILITY
extern ip_address_item *os_common_find_running_interfaces(void);
#endif

/* If these exist as a macro, then they're overriden away from us and we
rely upon the system headers to provide prototype declarations for us.
Notably, strsignal() is not in the Single Unix Specification (v3) and
predicting constness is awkward. */

#ifndef os_getloadavg
extern int           os_getloadavg(void);
#endif
#ifndef os_restarting_signal
extern void          os_restarting_signal(int, void (*)(int));
#endif
#ifndef os_non_restarting_signal
extern void          os_non_restarting_signal(int, void (*)(int));
#endif
#ifndef os_strexit
extern const char   *os_strexit(int);     /* char to match os_strsignal */
#endif
#ifndef os_strsignal
extern const char   *os_strsignal(int);   /* char to match strsignal in some OS */
#endif

/* End of osfunctions.h */
Commit	Line	Data
	1	/* $Cambridge: exim/src/src/osfunctions.h,v 1.5 2009/11/16 19:50:37 nm4 Exp $ */
	2
	3	/*************************************************
	4	* Exim - an Internet mail transport agent *
	5	*************************************************/
	6
	7	/* Copyright (c) University of Cambridge 1995 - 2009 */
	8	/* See the file NOTICE for conditions of use and distribution. */
	9
	10	/* Prototypes for os-specific functions. For utilities, we don't need the one
	11	that uses a type that isn't defined for them. */
	12
	13	#ifndef COMPILE_UTILITY
	14	extern ip_address_item *os_common_find_running_interfaces(void);
	15	#endif
	16
	17	/* If these exist as a macro, then they're overriden away from us and we
	18	rely upon the system headers to provide prototype declarations for us.
	19	Notably, strsignal() is not in the Single Unix Specification (v3) and
	20	predicting constness is awkward. */
	21
	22	#ifndef os_getloadavg
	23	extern int os_getloadavg(void);
	24	#endif
	25	#ifndef os_restarting_signal
	26	extern void os_restarting_signal(int, void (*)(int));
	27	#endif
	28	#ifndef os_non_restarting_signal
	29	extern void os_non_restarting_signal(int, void (*)(int));
	30	#endif
	31	#ifndef os_strexit
	32	extern const char os_strexit(int); / char to match os_strsignal */
	33	#endif
	34	#ifndef os_strsignal
	35	extern const char os_strsignal(int); / char to match strsignal in some OS */
	36	#endif
	37
	38	/* End of osfunctions.h */